v3.26.1
INTEREST INCOME AND INTEREST EXPENSE (Tables)
 6 Months Ended
Mar. 31, 2026
Interest Income (Expense), Operating [Abstract]  
Interest Income and Interest Expense The following table details the components of interest income and interest expense.
 Three months ended March 31,Six months ended March 31,
$ in millions2026202520262025
Interest income:  
Cash and cash equivalents$86 $104 $187 $228 
Assets segregated for regulatory purposes and restricted cash 31 36 66 78 
Trading assets — debt securities19 19 41 38 
Available-for-sale securities
39 48 81 97 
Brokerage client receivables41 41 84 86 
Bank loans, net713 690 1,447 1,408 
All other31 25 61 55 
Total interest income
$960 $963 $1,967 $1,990 
Interest expense:  
Bank deposits
$319 $370 669 $790 
Trading liabilities — debt securities12 10 24 21 
Brokerage client payables
10 17 24 37 
Other borrowings5 7 10 14 
Senior notes payable43 23 86 46 
All other14 15 31 32 
Total interest expense
$403 $442 $844 $940 
Net interest income$557 $521 $1,123 $1,050 
Less: Bank loan provision for credit losses
5 16 2 16 
Net interest income after bank loan provision for credit losses
$552 $505 $1,121 $1,034